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<p>The expansion of large-scale ports necessitates a delicate balance between operational efficiency and environmental preservation. Our study tackles this issue by exploring sustainable water exchange optimization in intricate port systems. Focusing on Dalian Port’s Taiping Bay as our research site, we integrate ecological principles into port development and apply a tidal flow model to assess the effects of diverse channel designs on water dynamics. A key advancement of our work is the refinement of the “retention factor” concept and the adaptation of the concentration-water exchange rate equation. This innovative approach allows for a more precise evaluation of water exchange capabilities amidst complex environmental scenarios. Our findings reveal that channel width plays a pivotal role in water exchange efficiency, with a notable plateau effect beyond a threshold that achieves a 90% exchange rate. These insights underscore the potential for design optimization that aligns with ecological sustainability, offering a roadmap for future port developments that prioritize minimal ecological disruption.</p>

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Enhancing water exchange and environmental sustainability in port design: A case study of Taiping Bay, Dalian Port

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • Da-chuan He,
  • Xi Zhang,
  • Ya-kun Liu,
  • Zhi Chen,
  • Xiang-jun Nie,
  • Ke Wang

摘要

The expansion of large-scale ports necessitates a delicate balance between operational efficiency and environmental preservation. Our study tackles this issue by exploring sustainable water exchange optimization in intricate port systems. Focusing on Dalian Port’s Taiping Bay as our research site, we integrate ecological principles into port development and apply a tidal flow model to assess the effects of diverse channel designs on water dynamics. A key advancement of our work is the refinement of the “retention factor” concept and the adaptation of the concentration-water exchange rate equation. This innovative approach allows for a more precise evaluation of water exchange capabilities amidst complex environmental scenarios. Our findings reveal that channel width plays a pivotal role in water exchange efficiency, with a notable plateau effect beyond a threshold that achieves a 90% exchange rate. These insights underscore the potential for design optimization that aligns with ecological sustainability, offering a roadmap for future port developments that prioritize minimal ecological disruption.